Delete reaction (S)

Press Delete comment button in Comments group of the Comments tab to delete a reaction selected in the Comments pane.

You can only delete a reaction that:

Since every modeler or viewer can react on a new comment at any time the above conditions are checked on the server prior to the actual deletion of the comment. Thus, it may happen that the delete operation of your own comment fails because somebody else has already added a reaction on it (or another modeler has changed the state of the comment).